How to make a Folder Undeletable

If you want to create an Undeletable folder it easy in following steps. Well, if you have, then you have come to the right place. With this trick, you will be able to create folders in Windows which cannot be renamed or deleted.

Windows also come with a certain keywords in its programming, keywords is a reserve word in many programming language, we can not use it with a variable name.
e.g. con, aux, lpt1, lpt2, lpt3, lpt4, lpt5, lpt6, lpt7, lpt8 and lpt9.

Step 1:
Open command prompt:You can open cmd by pressing Win+R and type cmd.

Step 2:
Now I want to create folder in Z:\ Drive. Type the following command.
Z:
md con\  (or md pt1)

We can choose any keyword mention above. Now windows will create a undeletable folder in that drive.